package Case01.abstract_;

 public abstract class teaWithmilk {
    //抽象类奶茶
    public abstract void teawithmilk1();
     public abstract void addstep();

     public void step(){
         System.out.println("准备牛奶和茶叶");
         System.out.println("1.加牛奶");
         System.out.println("2.加茶叶");
         System.out.println("3.包装");
     }




}


